
Township and other units of local government are regulated by provisions of Article VII, Sec. See the Road District’s website for additional information. MAINTENANCE of over 70 miles of roads and bridges in the unincorporated area of Oswego Township including Boulder Hill and Marina Terrace.See the Assessors section of this website for additional information. The Township Assessor and staff reviews and determines assessed value for over 20,300 residential, commercial, industrial, and farm parcels in Oswego Township. ASSESSMENTS of all real estate parcels within the Township boundaries for property tax purposes.This program is administered through the Township Supervisor’s office. GENERAL ASSISTANCE to qualified, low income individuals for their basic needs.Oswego Township is mandated by law to provide three basic services funded by local property taxes. Oswego, New York sits at the mouth of the Oswego River while Oswego, Illinois sits at the mouth of Waubonsie Creek. Oswego is an Iroquois Native American word meaning place of the flowing out or mouth of the stream. Oswego Township was named after the Village of Oswego which, in turn, was named after a city in New York. It had a population in 2020 of 8,394 and consisted of 2,848 households. Oswego Township includes the largest unincorporated community, Boulder Hill, In Illinois. State Highways running through Oswego Township include U.S.Route 34, IL Route 25, IL Route 31, U.S.Route 30 and IL Route 71. Oswego Township’s population in the 2021 census was 56,851 and it contains 16,388 housing units and 20,326 parcels of land. The lands of the Township are drained by the Fox River and its subsidiaries. and consists of 39.9 square miles of which 0.7 square miles is covered by water. Oswego Township occupies a 6 mile square plus additional land to the south of the Fox River in the northeast corner of Kendall County, Illinois.

Our website provides information about Township services as well as other items believed to be important to our visitors.

The purpose of our website is to provide useful, important and up-to-date information for residents and businesses in Oswego Township as well as individuals who are interested in finding out about our community. Welcome to Oswego Township online, the official web site of the local government in the Township of Oswego, in Kendall County Illinois.
